Home / 13,185,690.15-18,195,386.34-7,383,141.75

Finding the Fourth Proportional to 13,185,690.15, 18,195,386.34 and 7,383,141.75

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Solution

The fourth proportional to 13,185,690.15, 18,195,386.34 and 7,383,141.75 is: 10,188,250.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185,690.15 : 18,195,386.34 = 7,383,141.75 : x
  2. Step 2: Convert to fraction form
    13,185,690.15/18,195,386.34 = 7,383,141.75/x
  3. Step 3: Cross multiply
    13,185,690.15x = 18,195,386.34 × 7,383,141.75
  4. Step 4: Simplify right side
    13,185,690.15x = 134,339,116,544,233.69
  5. Step 5: Solve for x
    x = 134,339,116,544,233.69/13,185,690.15
  6. Step 6: Final answer
    x = 10,188,250.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.